TY - JOUR T1 - An Account of Some Observations Made in London, by Mr. George Graham, F.R.S. and at Black-River in Jamaica, by Colin Campbell, Esq; F. R. S. concerning the Going of a Clock; In Order to Determine the Difference between the Lengths of Isochronal Pendulums in Those Places. Communicated by J. Bradley, M. A. Astr. Prof. Savill. Oxon. F. R. S. JF - Philosophical Transactions (1683-1775) VL - 38 SP - 302 EP - 314 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1733.0048 M3 - doi:10.1098/rstl.1733.0048 AU - Graham, G. AU - Campbell, C. AU - Bradley, J. ER -